參數(shù)資料
型號(hào): LP4951
廠商: National Semiconductor Corporation
英文描述: Adjustable Micropower Voltage Regulators
中文描述: 可調(diào)微功耗電壓調(diào)節(jié)器
文件頁(yè)數(shù): 2/14頁(yè)
文件大?。?/td> 436K
代理商: LP4951
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 1)
Input Supply Voltage
SHUTDOWN Input Voltage,
Error Comparator Output
Voltage, (Note 9)
FEEDBACK Input Voltage
(Note 9) (Note 10)
Power Dissipation
Junction Temperature (T
J
)
Ambient Storage Temperature
0.3 to +30V
0.3 to +30V
1.5 to +30V
Internally Limited
+150C
65 to +150C
Soldering Dwell Time, Temperature
Wave
Infrared
Vapor Phase
ESD
4 seconds, 260C
10 seconds, 240C
75 seconds, 219C
TBD
Operating Ratings
(Note 1)
Maximum Input Supply Voltage
Junction Temperature Range
(Note 8)
LP4950C, LP4951C
30V
40C to 125C
Electrical Characteristics
(Note 2)
Parameter
Conditions
(Note 2)
LP4950CZ
LP4951CM
Tested
Limit
(Note 3)
5.1
4.9
Units
Design
Limit
(Note 4)
Typ
Output Voltage
T
J
= 25C
5.0
V max
V min
V max
V min
V max
V min
V max
V min
ppm/C
25C
T
J
85C
5.15
4.85
5.2
4.8
5.24
4.76
150
Full Operating
Temperature Range
100 μA
I
L
100 mA
T
J
T
JMAX
(Note 12)
Output Voltage
Output Voltage
Temperature Coefficient
Line Regulation
(Note 14)
6V
V
IN
30V (Note 15)
0.04
0.2
% max
% max
% max
% max
mV max
mV max
mV max
mV max
μA max
μA max
mA max
mA max
μA max
μA max
mA max
mA max
%/W max
μV rms
μV rms
μV rms
0.4
Load Regulation
(Note 14)
100μA
I
L
100mA
0.1
0.2
0.3
Dropout Voltage
(Note 5)
I
L
= 100μA
50
80
150
I
L
= 100mA
380
450
600
Ground Current
I
L
= 100μA
75
150
170
I
L
= 100mA
8
15
19
Dropout Ground Current
V
IN
= 4.5V
I
L
= 100μA
V
OUT
= 0
110
200
230
Current Limit
160
200
220
Thermal Regulation
Output Noise,
10 Hz to 100 kHz
(Note 13)
C
L
= 1μF
C
L
= 200μF
C
L
= 3.3μF (Bypass = 0.01μF
Pins 7 to 1 (LP4951C)
0.05
430
160
100
0.2
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP4951C 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Adjustable Micropower Voltage Regulators
LP4951CM 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
LP4951CM/NOPB 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
LP4951CMX 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
LP4951CMX/HAPB 制造商:Texas Instruments 功能描述: